Thai Lion Air flight SL 521: Chiang Mai - Bangkok Don Mueang

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Fri,Sun 21:30 Chiang Mai (CNX) 22:45 Bangkok Don Mueang (DMK) 2
SL 521 Non-stop Boeing 737-900 (739) 1:15 Valid until 2026-01-05
Tue,Thu,Sat 21:30 Chiang Mai (CNX) 22:45 Bangkok Don Mueang (DMK) 2
SL 521 Non-stop Boeing 737-800 (738) 1:15 Valid until 2026-01-08
Mon,Wed,Fri,Sat 21:30 Chiang Mai (CNX) 22:45 Bangkok Don Mueang (DMK) 2
SL 521 Non-stop Boeing 737-900 (739) 1:15 Effective 2026-01-07 through 2026-01-16
Tue,Thu,Sat,Sun 21:30 Chiang Mai (CNX) 22:45 Bangkok Don Mueang (DMK) 2
SL 521 Non-stop Boeing 737-800 (738) 1:15 Effective 2026-01-11 through 2026-01-22
Mon,Wed,Fri,Sat 21:30 Chiang Mai (CNX) 22:45 Bangkok Don Mueang (DMK) 2
SL 521 Non-stop Boeing 737-900 (739) 1:15 Effective 2026-01-19 through 2026-01-28
Tue,Sat,Sun 21:30 Chiang Mai (CNX) 22:45 Bangkok Don Mueang (DMK) 2
SL 521 Non-stop Boeing 737-800 (738) 1:15 Effective 2026-01-25 through 2026-02-03
Mon,Wed-Fri 21:30 Chiang Mai (CNX) 22:45 Bangkok Don Mueang (DMK) 2
SL 521 Non-stop Boeing 737-900 (739) 1:15 Effective 2026-01-29 through 2026-02-04
Tue,Thu 21:30 Chiang Mai (CNX) 22:45 Bangkok Don Mueang (DMK) 2
SL 521 Non-stop Boeing 737-800 (738) 1:15 Effective 2026-02-05 through 2026-02-10
Mon,Wed-Sun 21:30 Chiang Mai (CNX) 22:45 Bangkok Don Mueang (DMK) 2
SL 521 Non-stop Boeing 737-900 (739) 1:15 Effective 2026-02-06 through 2026-02-13
Mon-Thu,Sat 21:30 Chiang Mai (CNX) 22:45 Bangkok Don Mueang (DMK) 2
SL 521 Non-stop Boeing 737-800 (738) 1:15 Effective 2026-02-14 through 2026-02-21
Fri,Sun 21:30 Chiang Mai (CNX) 22:45 Bangkok Don Mueang (DMK) 2
SL 521 Non-stop Boeing 737-900 (739) 1:15 Effective 2026-02-15 through 2026-02-20
Tue,Thu,Sun 21:30 Chiang Mai (CNX) 22:45 Bangkok Don Mueang (DMK) 2
SL 521 Non-stop Boeing 737-800 (738) 1:15 Effective 2026-02-22 through 2026-03-01
Mon,Wed,Fri,Sat 21:30 Chiang Mai (CNX) 22:45 Bangkok Don Mueang (DMK) 2
SL 521 Non-stop Boeing 737-900 (739) 1:15 Effective 2026-02-23 through 2026-02-28
Mon,Thu,Sat,Sun 21:30 Chiang Mai (CNX) 22:45 Bangkok Don Mueang (DMK) 2
SL 521 Non-stop Boeing 737-800 (738) 1:15 Effective 2026-03-02 through 2026-03-09
Tue,Wed,Fri 21:30 Chiang Mai (CNX) 22:45 Bangkok Don Mueang (DMK) 2
SL 521 Non-stop Boeing 737-900 (739) 1:15 Effective 2026-03-03 through 2026-03-06
Tue,Sat,Sun 21:30 Chiang Mai (CNX) 22:45 Bangkok Don Mueang (DMK) 2
SL 521 Non-stop Boeing 737-800 (738) 1:15 Effective 2026-03-10 through 2026-03-17
Mon,Wed-Fri 21:30 Chiang Mai (CNX) 22:45 Bangkok Don Mueang (DMK) 2
SL 521 Non-stop Boeing 737-900 (739) 1:15 Effective 2026-03-11 through 2026-03-18
Tue-Thu,Sun 21:30 Chiang Mai (CNX) 22:45 Bangkok Don Mueang (DMK) 2
SL 521 Non-stop Boeing 737-800 (738) 1:15 Effective 2026-03-19 through 2026-03-26
Mon,Fri,Sat 21:30 Chiang Mai (CNX) 22:45 Bangkok Don Mueang (DMK) 2
SL 521 Non-stop Boeing 737-900 (739) 1:15 Effective 2026-03-20 through 2026-03-27
Sat,Sun 21:30 Chiang Mai (CNX) 22:45 Bangkok Don Mueang (DMK) 2
SL 521 Non-stop Boeing 737-800 (738) 1:15 Effective 2026-03-28 through 2026-03-29
Mon-Sat 21:30 Chiang Mai (CNX) 22:45 Bangkok Don Mueang (DMK) 2
SL 521 Non-stop Boeing 737-900 (739) 1:15 Effective from 2026-03-30
Sun 21:30 Chiang Mai (CNX) 22:45 Bangkok Don Mueang (DMK) 2
SL 521 Non-stop Boeing 737-800 (738) 1:15 Effective from 2026-04-05
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Thai Lion Air flight SL 521:
Chiang Mai - Bangkok Don Mueang
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Thai Lion Air SL521
21:30
Chiang Mai (CNX)

22:45
Bangkok Don Mueang (DMK) 2
Valid until 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-900 (739)
Direct Flights:
Thai Lion Air SL521
21:30
Chiang Mai (CNX)

22:45
Bangkok Don Mueang (DMK) 2
Valid until 2026-01-08
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-800 (738)
Direct Flights:
Thai Lion Air SL521
21:30
Chiang Mai (CNX)

22:45
Bangkok Don Mueang (DMK) 2
Effective 2026-01-07 through 2026-01-16
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-900 (739)
Direct Flights:
Thai Lion Air SL521
21:30
Chiang Mai (CNX)

22:45
Bangkok Don Mueang (DMK) 2
Effective 2026-01-11 through 2026-01-22
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Duration: 1:15, non-stop
Boeing 737-800 (738)
Direct Flights:
Thai Lion Air SL521
21:30
Chiang Mai (CNX)

22:45
Bangkok Don Mueang (DMK) 2
Effective 2026-01-19 through 2026-01-28
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-900 (739)
Direct Flights:
Thai Lion Air SL521
21:30
Chiang Mai (CNX)

22:45
Bangkok Don Mueang (DMK) 2
Effective 2026-01-25 through 2026-02-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 1:15, non-stop
Boeing 737-800 (738)
Direct Flights:
Thai Lion Air SL521
21:30
Chiang Mai (CNX)

22:45
Bangkok Don Mueang (DMK) 2
Effective 2026-01-29 through 2026-02-04
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-900 (739)
Direct Flights:
Thai Lion Air SL521
21:30
Chiang Mai (CNX)

22:45
Bangkok Don Mueang (DMK) 2
Effective 2026-02-05 through 2026-02-10
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-800 (738)
Direct Flights:
Thai Lion Air SL521
21:30
Chiang Mai (CNX)

22:45
Bangkok Don Mueang (DMK) 2
Effective 2026-02-06 through 2026-02-13
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 1:15, non-stop
Boeing 737-900 (739)
Direct Flights:
Thai Lion Air SL521
21:30
Chiang Mai (CNX)

22:45
Bangkok Don Mueang (DMK) 2
Effective 2026-02-14 through 2026-02-21
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-800 (738)
Direct Flights:
Thai Lion Air SL521
21:30
Chiang Mai (CNX)

22:45
Bangkok Don Mueang (DMK) 2
Effective 2026-02-15 through 2026-02-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-900 (739)
Direct Flights:
Thai Lion Air SL521
21:30
Chiang Mai (CNX)

22:45
Bangkok Don Mueang (DMK) 2
Effective 2026-02-22 through 2026-03-01
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-800 (738)
Direct Flights:
Thai Lion Air SL521
21:30
Chiang Mai (CNX)

22:45
Bangkok Don Mueang (DMK) 2
Effective 2026-02-23 through 2026-02-28
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-900 (739)
Direct Flights:
Thai Lion Air SL521
21:30
Chiang Mai (CNX)

22:45
Bangkok Don Mueang (DMK) 2
Effective 2026-03-02 through 2026-03-09
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
Duration: 1:15, non-stop
Boeing 737-800 (738)
Direct Flights:
Thai Lion Air SL521
21:30
Chiang Mai (CNX)

22:45
Bangkok Don Mueang (DMK) 2
Effective 2026-03-03 through 2026-03-06
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-900 (739)
Direct Flights:
Thai Lion Air SL521
21:30
Chiang Mai (CNX)

22:45
Bangkok Don Mueang (DMK) 2
Effective 2026-03-10 through 2026-03-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 1:15, non-stop
Boeing 737-800 (738)
Direct Flights:
Thai Lion Air SL521
21:30
Chiang Mai (CNX)

22:45
Bangkok Don Mueang (DMK) 2
Effective 2026-03-11 through 2026-03-18
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-900 (739)
Direct Flights:
Thai Lion Air SL521
21:30
Chiang Mai (CNX)

22:45
Bangkok Don Mueang (DMK) 2
Effective 2026-03-19 through 2026-03-26
Mon
-
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-800 (738)
Direct Flights:
Thai Lion Air SL521
21:30
Chiang Mai (CNX)

22:45
Bangkok Don Mueang (DMK) 2
Effective 2026-03-20 through 2026-03-27
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-900 (739)
Direct Flights:
Thai Lion Air SL521
21:30
Chiang Mai (CNX)

22:45
Bangkok Don Mueang (DMK) 2
Effective 2026-03-28 through 2026-03-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 1:15, non-stop
Boeing 737-800 (738)
Direct Flights:
Thai Lion Air SL521
21:30
Chiang Mai (CNX)

22:45
Bangkok Don Mueang (DMK) 2
Effective from 2026-03-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-900 (739)
Direct Flights:
Thai Lion Air SL521
21:30
Chiang Mai (CNX)

22:45
Bangkok Don Mueang (DMK) 2
Effective from 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-800 (738)
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Parallax here CNX-DMK
  • SL 521 is a domestic flight departing from the Chiang Mai airport (CNX) and arriving at Bangkok Don Mueang airport (DMK).
  • The flight distance is 353 miles, or 568 km.
  • The timezone of both the departure and the arrival airports is UTC+7 . Current time at both airports is (loading...).
  • For direct flights, the flight time is 1:15.
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